Sofia (SOF)Madrid (MAD)
- non-stop flights:
- 2–3 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $177number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 1 1 1 1 1 1 
1 1 1 1 0 1 0 
1 0 1 1 1 0 1 Sofia (SOF)Barcelona (BCN)
- non-stop flights:
- 2–4 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $161number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 1–2 1 1 1–2 1 1 
1 1 1 1 1 1 1 
0 0 0 0 1 0 0 Sofia (SOF)Málaga (AGP)
- non-stop flights:
- 1–2 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $159number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 0 1 1 1 1 0 
0 1 0 1 0 1 1 Sofia (SOF)Valencia (VLC)
- non-stop flights:
- 10 per week
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $113number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 1 0 1 1 1 0 
1 0 1 1 1 1 0